The.ollowing breeds, all characterized by short noses and prominent eyes, are more likely to develop this problem. Treatment includes antibiotics, drugs to inhibit the action of destructive enzymes, and sometimes surgery. Medline . Therefore, the eye is very sensitive to light and many dogs will squint or close the eye when exposed to bright light. Refractory corneal ulcers can take a long time to heal, sometimes months. The normal cornea is covered by a layer of tissue called the epithelium, sort of like 'skin' over the deeper eye layers. Scleroderma is 3-4 times more common in women than